**************************************************************************/
-
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Daniel Borca <dborca@yahoo.com>
+ */
-
-
+#if defined (__DJGPP__) || defined (__MINGW32__) || defined (__CYGWIN__)
+#define GLOBL( x ) \
+.globl _##x; \
+_##x:
+#else /* !defined (__DJGPP__) && !defined (__MINGW32__) && !defined (__CYGWIN__) */
#define GLOBL( x ) \
.globl x; \
x:
+#endif /* !defined (__DJGPP__) && !defined (__MINGW32__) && !defined (__CYGWIN__) */
+
+
+#if !defined (STDCALL_API)
+#define RETCLEAN( x ) ret
+#else
+#define RETCLEAN( x ) ret $x
+#endif
+
+
+#define _JMP(x) \
+.byte 0xe9; \
+.long x
+
+#define _CALL(x) \
+.byte 0xe8; \
+.long x
+
+
+/* Someone who knew a lot about this sort of thing would use this
+ * macro to note current offsets, etc in a special region of the
+ * object file & just make everything work out neat. I don't know
+ * enough to do that...
+ */
+
+#define SUBST( x ) (0x10101010 + x)
+
.data
-.align 4
-
-
-GLOBL ( _x86_Vertex1fv )
- ;; v already in eax
+
+/* [dBorca] TODO
+ * Unfold functions for each vertex size?
+ * Build super-specialized SSE versions?
+ *
+ * There is a trick in Vertex*fv: under certain conditions,
+ * we tail to _tnl_wrap_filled_vertex(ctx). This means that
+ * if Vertex*fv is STDCALL, then _tnl_wrap_filled_vertex must
+ * be STDCALL as well, because (GLcontext *) and (GLfloat *)
+ * have the same size.
+ */
+.align 4
+GLOBL ( _tnl_x86_Vertex1fv )
+ movl 4(%esp), %ecx
push %edi
push %esi
- movl (0x0), %edi ; load vbptr
- movl (%eax), %edx ; load v[0]
- movl %edx, (%edi) ; vbptr[0] = v[0]
- addl $4, %edi ; vbptr += 1
- movl $0x0, %ecx ; vertex_size - 1
- movl $0x0, %esi ; tnl->vtx.vertex + 1
+ movl SUBST(0), %edi /* 0x0 --> tnl->vtx.vbptr */
+ movl (%ecx), %edx /* load v[0] */
+ movl %edx, (%edi) /* tnl->vtx.vbptr[0] = v[0] */
+ addl $4, %edi /* tnl->vtx.vbptr += 1 */
+ movl $SUBST(1), %ecx /* 0x1 --> (tnl->vtx.vertex_size - 1) */
+ movl $SUBST(2), %esi /* 0x2 --> (tnl->vtx.vertex + 1) */
repz
- movsl %ds:(%esi), %es:(%edi)
- movl %edi, (0) ; save vbptr
- movl (0), %edx ; load counter
+ movsl %ds:(%esi), %es:(%edi)
+ movl %edi, SUBST(0) /* 0x0 --> tnl->vtx.vbptr */
+ movl SUBST(3), %edx /* 0x3 --> counter */
pop %esi
pop %edi
- dec %edx ; counter--
- movl %edx, (0) ; save counter
- je .5 ; if (counter != 0)
- ret ; return
-.5: jmp *0 ; else notify();
-GLOBL ( _x86_Vertex1fv_end )
+ dec %edx /* counter-- */
+ movl %edx, SUBST(3) /* 0x3 --> counter */
+ je .0 /* if (counter == 0) goto .0 */
+ RETCLEAN(4) /* return */
+ .balign 16
+.0:
+ movl $SUBST(4), %eax /* load ctx */
+ movl %eax, 4(%esp) /* push ctx */
+ _JMP (SUBST(5)) /* jmp _tnl_wrap_filled_vertex */
+GLOBL ( _tnl_x86_Vertex1fv_end )
-
-GLOBL ( _x86_Vertex2fv )
- ;; v already in eax
+.align 4
+GLOBL ( _tnl_x86_Vertex2fv )
+ movl 4(%esp), %ecx
push %edi
push %esi
- movl (0x0), %edi ; load vbptr
- movl (%eax), %edx ; load v[0]
- movl 4(%eax), %ecx ; load v[1]
- movl %edx, (%edi) ; vbptr[0] = v[0]
- movl %ecx, 4(%edi) ; vbptr[1] = v[1]
- addl $8, %edi ; vbptr += 2
- movl $0x0, %ecx ; vertex_size - 2
- movl $0x0, %esi ; tnl->vtx.vertex + 2
+ movl SUBST(0), %edi /* load tnl->vtx.vbptr */
+ movl (%ecx), %edx /* load v[0] */
+ movl 4(%ecx), %eax /* load v[1] */
+ movl %edx, (%edi) /* tnl->vtx.vbptr[0] = v[0] */
+ movl %eax, 4(%edi) /* tnl->vtx.vbptr[1] = v[1] */
+ addl $8, %edi /* tnl->vtx.vbptr += 2 */
+ movl $SUBST(1), %ecx /* vertex_size - 2 */
+ movl $SUBST(2), %esi /* tnl->vtx.vertex + 2 */
repz
- movsl %ds:(%esi), %es:(%edi)
- movl %edi, (0) ; save vbptr
- movl (0), %edx ; load counter
+ movsl %ds:(%esi), %es:(%edi)
+ movl %edi, SUBST(0) /* save tnl->vtx.vbptr */
+ movl SUBST(3), %edx /* load counter */
pop %esi
pop %edi
- dec %edx ; counter--
- movl %edx, (0) ; save counter
- je .6 ; if (counter != 0)
- ret ; return
-.6: jmp *0 ; else notify();
-GLOBL ( _x86_Vertex3fv_end )
-
-GLOBL ( _x86_Vertex3fv )
- ;; v already in eax
+ dec %edx /* counter-- */
+ movl %edx, SUBST(3) /* save counter */
+ je .1 /* if (counter == 0) goto .1 */
+ RETCLEAN(4) /* return */
+ .balign 16
+.1:
+ movl $SUBST(4), %eax /* load ctx */
+ movl %eax, 4(%esp) /* push ctx */
+ _JMP (SUBST(5)) /* jmp _tnl_wrap_filled_vertex */
+GLOBL ( _tnl_x86_Vertex2fv_end )
+
+.align 4
+GLOBL ( _tnl_x86_Vertex3fv )
+ movl 4(%esp), %ecx
push %edi
push %esi
- movl (0x0), %edi ; load vbptr
- movl (%eax), %edx ; load v[0]
- movl 4(%eax), %ecx ; load v[1]
- movl 8(%eax), %esi ; load v[2]
- movl %edx, (%edi) ; vbptr[0] = v[0]
- movl %ecx, 4(%edi) ; vbptr[1] = v[1]
- movl %esi, 8(%edi) ; vbptr[2] = v[2]
- addl $12, %edi ; vbptr += 3
- movl $0x0, %ecx ; vertex_size - 3
- movl $0x0, %esi ; tnl->vtx.vertex + 3
+ movl SUBST(0), %edi /* load tnl->vtx.vbptr */
+ movl (%ecx), %edx /* load v[0] */
+ movl 4(%ecx), %eax /* load v[1] */
+ movl 8(%ecx), %esi /* load v[2] */
+ movl %edx, (%edi) /* tnl->vtx.vbptr[0] = v[0] */
+ movl %eax, 4(%edi) /* tnl->vtx.vbptr[1] = v[1] */
+ movl %esi, 8(%edi) /* tnl->vtx.vbptr[2] = v[2] */
+ addl $12, %edi /* tnl->vtx.vbptr += 3 */
+ movl $SUBST(1), %ecx /* vertex_size - 3 */
+ movl $SUBST(2), %esi /* tnl->vtx.vertex + 3 */
repz
- movsl %ds:(%esi), %es:(%edi)
- movl %edi, (0) ; save vbptr
- movl (0), %edx ; load counter
+ movsl %ds:(%esi), %es:(%edi)
+ movl %edi, SUBST(0) /* save tnl->vtx.vbptr */
+ movl SUBST(3), %edx /* load counter */
pop %esi
pop %edi
- dec %edx ; counter--
- movl %edx, (0) ; save counter
- je .7 ; if (counter != 0)
- ret ; return
-.7: jmp *0 ; else notify();
-GLOBL ( _x86_Vertex3fv_end )
-
-
-GLOBL ( _x86_Vertex4fv )
- ;; v already in eax
+ dec %edx /* counter-- */
+ movl %edx, SUBST(3) /* save counter */
+ je .2 /* if (counter == 0) goto .2 */
+ RETCLEAN(4) /* return */
+ .balign 16
+.2:
+ movl $SUBST(4), %eax /* load ctx */
+ movl %eax, 4(%esp) /* push ctx */
+ _JMP (SUBST(5)) /* jmp _tnl_wrap_filled_vertex */
+GLOBL ( _tnl_x86_Vertex3fv_end )
+
+.align 4
+GLOBL ( _tnl_x86_Vertex4fv )
+ movl 4(%esp), %ecx
push %edi
push %esi
- movl (0x0), %edi ; load vbptr
- movl (%eax), %edx ; load v[0]
- movl 4(%eax), %ecx ; load v[1]
- movl 8(%eax), %esi ; load v[2]
- movl %edx, (%edi) ; vbptr[0] = v[0]
- movl %ecx, 4(%edi) ; vbptr[1] = v[1]
- movl %esi, 8(%edi) ; vbptr[2] = v[2]
- movl 12(%eax), %esi ; load v[3]
- movl %esi, 12(%edi) ; vbptr[3] = v[3]
- addl $16, %edi ; vbptr += 4
- movl $0x0, %ecx ; vertex_size - 4
- movl $0x0, %esi ; tnl->vtx.vertex + 3
+ movl SUBST(0), %edi /* load tnl->vtx.vbptr */
+ movl (%ecx), %edx /* load v[0] */
+ movl 4(%ecx), %eax /* load v[1] */
+ movl 8(%ecx), %esi /* load v[2] */
+ movl 12(%ecx), %ecx /* load v[3] */
+ movl %edx, (%edi) /* tnl->vtx.vbptr[0] = v[0] */
+ movl %eax, 4(%edi) /* tnl->vtx.vbptr[1] = v[1] */
+ movl %esi, 8(%edi) /* tnl->vtx.vbptr[2] = v[2] */
+ movl %ecx, 12(%edi) /* tnl->vtx.vbptr[3] = v[3] */
+ addl $16, %edi /* tnl->vtx.vbptr += 4 */
+ movl $SUBST(1), %ecx /* vertex_size - 4 */
+ movl $SUBST(2), %esi /* tnl->vtx.vertex + 4 */
repz
- movsl %ds:(%esi), %es:(%edi)
- movl %edi, (0) ; save vbptr
- movl (0), %edx ; load counter
+ movsl %ds:(%esi), %es:(%edi)
+ movl %edi, SUBST(0) /* save tnl->vtx.vbptr */
+ movl SUBST(3), %edx /* load counter */
pop %esi
pop %edi
- dec %edx ; counter--
- movl %edx, (0) ; save counter
- je .6 ; if (counter != 0)
- ret ; return
-.6: jmp *0 ; else notify();
-GLOBL ( _x86_Vertex3fv_end )
+ dec %edx /* counter-- */
+ movl %edx, SUBST(3) /* save counter */
+ je .3 /* if (counter == 0) goto .3 */
+ RETCLEAN(4) /* return */
+ .balign 16
+.3:
+ movl $SUBST(4), %eax /* load ctx */
+ movl %eax, 4(%esp) /* push ctx */
+ _JMP (SUBST(5)) /* jmp _tnl_wrap_filled_vertex */
+GLOBL ( _tnl_x86_Vertex4fv_end )
-
/**
* Generic handlers for vector format data.
*/
+GLOBL( _tnl_x86_Attribute1fv )
+ movl 4(%esp), %ecx
+ movl (%ecx), %eax /* load v[0] */
+ movl %eax, SUBST(0) /* store v[0] to current vertex */
+ RETCLEAN(4)
+GLOBL ( _tnl_x86_Attribute1fv_end )
-GLOBL( _x86_Attribute1fv)
- /* 'v' is already in eax */
- movl (%eax), %ecx /* load v[0] */
- movl %ecx, 0 /* store v[0] to current vertex */
- ret
-GLOBL ( _x86_Attribute2fv_end )
-
-GLOBL( _x86_Attribute2fv)
- /* 'v' is already in eax */
- movl (%eax), %ecx /* load v[0] */
- movl 4(%eax), %eax /* load v[1] */
- movl %ecx, 0 /* store v[0] to current vertex */
- movl %eax, 4 /* store v[1] to current vertex */
- ret
-GLOBL ( _x86_Attribute2fv_end )
-
-
-GLOBL( _x86_Attribute3fv)
- /* 'v' is already in eax */
- movl (%eax), %ecx /* load v[0] */
- movl 4(%eax), %edx /* load v[1] */
- movl 8(%eax), %eax /* load v[2] */
- movl %ecx, 0 /* store v[0] to current vertex */
- movl %edx, 4 /* store v[1] to current vertex */
- movl %eax, 8 /* store v[2] to current vertex */
- ret
-GLOBL ( _x86_Attribute3fv_end )
-
-GLOBL( _x86_Attribute4fv)
- /* 'v' is already in eax */
- movl (%eax), %ecx /* load v[0] */
- movl 4(%eax), %edx /* load v[1] */
- movl %ecx, 0 /* store v[0] to current vertex */
- movl %edx, 4 /* store v[1] to current vertex */
- movl 8(%eax), %ecx /* load v[2] */
- movl 12(%eax), %edx /* load v[3] */
- movl %ecx, 8 /* store v[2] to current vertex */
- movl %edx, 12 /* store v[3] to current vertex */
- ret
-GLOBL ( _x86_Attribute3fv_end )
-
-
-;;; In the 1st level dispatch functions, switch to a different
-;;; calling convention -- (const GLfloat *v) in %eax.
-;;;
-;;; As with regular (x86) dispatch, don't create a new stack frame -
-;;; just let the 'ret' in the dispatched function return straight
-;;; back to the original caller.
-
-
-
-;;; Vertex/Normal/Color, etc: the address of the function pointer
-;;; is known at codegen time.
-
-GLOBL( _x86_dispatch_attrf )
- leal 4(%esp), %eax
- jmp *foo
-GLOBL( _x86_dispatch_attrf_end )
-
-GLOBL( _x86_dispatch_attrfv )
- movl 4(%esp), %eax
- jmp *foo
-GLOBL( _x86_dispatch_attr1f_end )
-
-;;; MultiTexcoord: the address of the function pointer must be
-;;; calculated.
-
-GLOBL( _x86_dispatch_multitexcoordf )
- leal 4(%esp), %eax
- jmp *foo
-GLOBL( _x86_dispatch_multitexcoordf_end )
-
-GLOBL( _x86_dispatch_multitexcoordfv )
+GLOBL( _tnl_x86_Attribute2fv )
+ movl 4(%esp), %ecx
+ movl (%ecx), %eax /* load v[0] */
+ movl 4(%ecx), %edx /* load v[1] */
+ movl %eax, SUBST(0) /* store v[0] to current vertex */
+ movl %edx, SUBST(1) /* store v[1] to current vertex */
+ RETCLEAN(4)
+GLOBL ( _tnl_x86_Attribute2fv_end )
+
+GLOBL( _tnl_x86_Attribute3fv )
+ movl 4(%esp), %ecx
+ movl (%ecx), %eax /* load v[0] */
+ movl 4(%ecx), %edx /* load v[1] */
+ movl 8(%ecx), %ecx /* load v[2] */
+ movl %eax, SUBST(0) /* store v[0] to current vertex */
+ movl %edx, SUBST(1) /* store v[1] to current vertex */
+ movl %ecx, SUBST(2) /* store v[2] to current vertex */
+ RETCLEAN(4)
+GLOBL ( _tnl_x86_Attribute3fv_end )
+
+GLOBL( _tnl_x86_Attribute4fv )
+ movl 4(%esp), %ecx
+ movl (%ecx), %eax /* load v[0] */
+ movl 4(%ecx), %edx /* load v[1] */
+ movl %eax, SUBST(0) /* store v[0] to current vertex */
+ movl %edx, SUBST(1) /* store v[1] to current vertex */
+ movl 8(%ecx), %eax /* load v[2] */
+ movl 12(%ecx), %edx /* load v[3] */
+ movl %eax, SUBST(2) /* store v[2] to current vertex */
+ movl %edx, SUBST(3) /* store v[3] to current vertex */
+ RETCLEAN(4)
+GLOBL ( _tnl_x86_Attribute4fv_end )
+
+
+/* Choosers:
+ *
+ * Must generate all of these ahead of first usage. Generate at
+ * compile-time?
+ */
+GLOBL( _tnl_x86_choose_fv )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl $SUBST(0), (%esp) /* arg 0 - attrib */
+ movl $SUBST(1), 4(%esp) /* arg 1 - N */
+ _CALL (SUBST(2)) /* call do_choose */
+ add $12, %esp /* tear down stack frame */
+ jmp *%eax /* jump to new func */
+GLOBL ( _tnl_x86_choose_fv_end )
+
+
+/* FIRST LEVEL FUNCTIONS -- these are plugged directly into GL dispatch.
+ *
+ * In the 1st level dispatch functions, switch to a different
+ * calling convention -- (const GLfloat *v) in %ecx.
+ *
+ * As with regular (x86) dispatch, don't create a new stack frame -
+ * just let the 'ret' in the dispatched function return straight
+ * back to the original caller.
+ *
+ * Vertex/Normal/Color, etc: the address of the function pointer
+ * is known at codegen time.
+ */
+
+/* Unfortunately, have to play with the stack in the non-fv case:
+ */
+#if !defined (STDCALL_API)
+GLOBL( _tnl_x86_dispatch_attrf1 )
+GLOBL( _tnl_x86_dispatch_attrf2 )
+GLOBL( _tnl_x86_dispatch_attrf3 )
+GLOBL( _tnl_x86_dispatch_attrf4 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ leal 16(%esp), %edx /* address of first float on stack */
+ movl %edx, (%esp) /* save as 'v' */
+ call *SUBST(0) /* 0x0 --> tabfv[attr][n] */
+ addl $12, %esp /* tear down frame */
+ ret /* return */
+GLOBL( _tnl_x86_dispatch_attrf4_end )
+GLOBL( _tnl_x86_dispatch_attrf3_end )
+GLOBL( _tnl_x86_dispatch_attrf2_end )
+GLOBL( _tnl_x86_dispatch_attrf1_end )
+
+#else /* defined(STDCALL_API) */
+
+GLOBL( _tnl_x86_dispatch_attrf1 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ leal 16(%esp), %edx /* address of first float on stack */
+ movl %edx, (%esp) /* save as 'v' */
+ call *SUBST(0) /* 0x0 --> tabfv[attr][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $4 /* return */
+GLOBL( _tnl_x86_dispatch_attrf1_end )
+
+GLOBL( _tnl_x86_dispatch_attrf2 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ leal 16(%esp), %edx /* address of first float on stack */
+ movl %edx, (%esp) /* save as 'v' */
+ call *SUBST(0) /* 0x0 --> tabfv[attr][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $8 /* return */
+GLOBL( _tnl_x86_dispatch_attrf2_end )
+
+GLOBL( _tnl_x86_dispatch_attrf3 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ leal 16(%esp), %edx /* address of first float on stack */
+ movl %edx, (%esp) /* save as 'v' */
+ call *SUBST(0) /* 0x0 --> tabfv[attr][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $12 /* return */
+GLOBL( _tnl_x86_dispatch_attrf3_end )
+
+GLOBL( _tnl_x86_dispatch_attrf4 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ leal 16(%esp), %edx /* address of first float on stack */
+ movl %edx, (%esp) /* save as 'v' */
+ call *SUBST(0) /* 0x0 --> tabfv[attr][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $16 /* return */
+GLOBL( _tnl_x86_dispatch_attrf4_end )
+#endif /* defined(STDCALL_API) */
+
+/* The fv case is simpler:
+ */
+GLOBL( _tnl_x86_dispatch_attrfv )
+ jmp *SUBST(0) /* 0x0 --> tabfv[attr][n] */
+GLOBL( _tnl_x86_dispatch_attrfv_end )
+
+
+/* MultiTexcoord: the address of the function pointer must be
+ * calculated, but can use the index argument slot to hold 'v', and
+ * avoid setting up a new stack frame.
+ *
+ * [dBorca]
+ * right, this would be the preferred approach, but gcc does not
+ * clean up the stack after each function call when optimizing (-fdefer-pop);
+ * can it make assumptions about what's already on the stack? I dunno,
+ * but in this case, we can't mess with the caller's stack frame, and
+ * we must use a model like `_x86_dispatch_attrfv' above. Caveat emptor!
+ */
+
+/* Also, will only need a maximum of four of each of these per context:
+ */
+#if !defined (STDCALL_API)
+GLOBL( _tnl_x86_dispatch_multitexcoordf1 )
+GLOBL( _tnl_x86_dispatch_multitexcoordf2 )
+GLOBL( _tnl_x86_dispatch_multitexcoordf3 )
+GLOBL( _tnl_x86_dispatch_multitexcoordf4 )
+ movl 4(%esp), %ecx
+ leal 8(%esp), %edx
+ andl $7, %ecx
+ movl %edx, 4(%esp)
+ sall $4, %ecx
+ jmp *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */
+GLOBL( _tnl_x86_dispatch_multitexcoordf4_end )
+GLOBL( _tnl_x86_dispatch_multitexcoordf3_end )
+GLOBL( _tnl_x86_dispatch_multitexcoordf2_end )
+GLOBL( _tnl_x86_dispatch_multitexcoordf1_end )
+
+GLOBL( _tnl_x86_dispatch_multitexcoordfv )
+ movl 4(%esp), %ecx
+ movl 8(%esp), %edx
+ andl $7, %ecx
+ movl %edx, 4(%esp)
+ sall $4, %ecx
+ jmp *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */
+GLOBL( _tnl_x86_dispatch_multitexcoordfv_end )
+
+#else /* defined (STDCALL_API) */
+
+GLOBL( _tnl_x86_dispatch_multitexcoordf1 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %ecx
+ leal 20(%esp), %edx
+ andl $7, %ecx
+ movl %edx, (%esp)
+ sall $4, %ecx
+ call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $8 /* return */
+GLOBL( _tnl_x86_dispatch_multitexcoordf1_end )
+
+GLOBL( _tnl_x86_dispatch_multitexcoordf2 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %ecx
+ leal 20(%esp), %edx
+ andl $7, %ecx
+ movl %edx, (%esp)
+ sall $4, %ecx
+ call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $12 /* return */
+GLOBL( _tnl_x86_dispatch_multitexcoordf2_end )
+
+GLOBL( _tnl_x86_dispatch_multitexcoordf3 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %ecx
+ leal 20(%esp), %edx
+ andl $7, %ecx
+ movl %edx, (%esp)
+ sall $4, %ecx
+ call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $16 /* return */
+GLOBL( _tnl_x86_dispatch_multitexcoordf3_end )
+
+GLOBL( _tnl_x86_dispatch_multitexcoordf4 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %ecx
+ leal 20(%esp), %edx
+ andl $7, %ecx
+ movl %edx, (%esp)
+ sall $4, %ecx
+ call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $20 /* return */
+GLOBL( _tnl_x86_dispatch_multitexcoordf4_end )
+
+GLOBL( _tnl_x86_dispatch_multitexcoordfv )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %ecx
+ movl 20(%esp), %edx
+ andl $7, %ecx
+ movl %edx, (%esp)
+ sall $4, %ecx
+ call *SUBST(0)(%ecx) /* 0x0 - tabfv[tex0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $8 /* return */
+GLOBL( _tnl_x86_dispatch_multitexcoordfv_end )
+#endif /* defined (STDCALL_API) */
+
+
+/* VertexAttrib: the address of the function pointer must be
+ * calculated.
+ */
+#if !defined (STDCALL_API)
+GLOBL( _tnl_x86_dispatch_vertexattribf1 )
+GLOBL( _tnl_x86_dispatch_vertexattribf2 )
+GLOBL( _tnl_x86_dispatch_vertexattribf3 )
+GLOBL( _tnl_x86_dispatch_vertexattribf4 )
movl 4(%esp), %eax
- jmp *foo
-GLOBL( _x86_dispatch_multitexcoordfv_end )
-
-;;; VertexAttrib: the address of the function pointer must be
-;;; calculated.
-
-GLOBL( _x86_dispatch_vertexattribf )
- leal 4(%esp), %eax
- jmp *foo
-GLOBL( _x86_dispatch_vertexattribf_end )
-
-GLOBL( _x86_dispatch_vertexattribfv )
+ cmpl $16, %eax
+ jb .8 /* "cmovge" is not supported on all CPUs */
+ movl $16, %eax
+.8:
+ leal 8(%esp), %ecx /* calculate 'v' */
+ movl %ecx, 4(%esp) /* save in 1st arg slot */
+ sall $4, %eax
+ jmp *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */
+GLOBL( _tnl_x86_dispatch_vertexattribf4_end )
+GLOBL( _tnl_x86_dispatch_vertexattribf3_end )
+GLOBL( _tnl_x86_dispatch_vertexattribf2_end )
+GLOBL( _tnl_x86_dispatch_vertexattribf1_end )
+
+GLOBL( _tnl_x86_dispatch_vertexattribfv )
movl 4(%esp), %eax
- jmp *foo
-GLOBL( _x86_dispatch_vertexattribfv_end )
-
\ No newline at end of file
+ cmpl $16, %eax
+ jb .9 /* "cmovge" is not supported on all CPUs */
+ movl $16, %eax
+.9:
+ movl 8(%esp), %ecx /* load 'v' */
+ movl %ecx, 4(%esp) /* save in 1st arg slot */
+ sall $4, %eax
+ jmp *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */
+GLOBL( _tnl_x86_dispatch_vertexattribfv_end )
+
+#else /* defined (STDCALL_API) */
+
+GLOBL( _tnl_x86_dispatch_vertexattribf1 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %eax
+ cmpl $16, %eax
+ jb .81 /* "cmovge" is not supported on all CPUs */
+ movl $16, %eax
+.81:
+ leal 20(%esp), %ecx /* load 'v' */
+ movl %ecx, (%esp) /* save in 1st arg slot */
+ sall $4, %eax
+ call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $8 /* return */
+GLOBL( _tnl_x86_dispatch_vertexattribf1_end )
+
+GLOBL( _tnl_x86_dispatch_vertexattribf2 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %eax
+ cmpl $16, %eax
+ jb .82 /* "cmovge" is not supported on all CPUs */
+ movl $16, %eax
+.82:
+ leal 20(%esp), %ecx /* load 'v' */
+ movl %ecx, (%esp) /* save in 1st arg slot */
+ sall $4, %eax
+ call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $12 /* return */
+GLOBL( _tnl_x86_dispatch_vertexattribf2_end )
+
+GLOBL( _tnl_x86_dispatch_vertexattribf3 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %eax
+ cmpl $16, %eax
+ jb .83 /* "cmovge" is not supported on all CPUs */
+ movl $16, %eax
+.83:
+ leal 20(%esp), %ecx /* load 'v' */
+ movl %ecx, (%esp) /* save in 1st arg slot */
+ sall $4, %eax
+ call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $16 /* return */
+GLOBL( _tnl_x86_dispatch_vertexattribf3_end )
+
+GLOBL( _tnl_x86_dispatch_vertexattribf4 )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %eax
+ cmpl $16, %eax
+ jb .84 /* "cmovge" is not supported on all CPUs */
+ movl $16, %eax
+.84:
+ leal 20(%esp), %ecx /* load 'v' */
+ movl %ecx, (%esp) /* save in 1st arg slot */
+ sall $4, %eax
+ call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $20 /* return */
+GLOBL( _tnl_x86_dispatch_vertexattribf4_end )
+
+GLOBL( _tnl_x86_dispatch_vertexattribfv )
+ subl $12, %esp /* gcc does 16 byte alignment of stack frames? */
+ movl 16(%esp), %eax
+ cmpl $16, %eax
+ jb .9 /* "cmovge" is not supported on all CPUs */
+ movl $16, %eax
+.9:
+ movl 20(%esp), %ecx /* load 'v' */
+ movl %ecx, (%esp) /* save in 1st arg slot */
+ sall $4, %eax
+ call *SUBST(0)(%eax) /* 0x0 - tabfv[0][n] */
+ addl $8, %esp /* tear down frame (4 shaved off by the callee) */
+ ret $8 /* return */
+GLOBL( _tnl_x86_dispatch_vertexattribfv_end )
+#endif /* defined (STDCALL_API) */
projects / mesa.git / blobdiff